Nicole Walker is the author of Processed Meats: Essays on Food, Flesh and Navigating Disaster, The After-Normal: Brief, Alphabetical Essays on a Changing Planet, Sustainability: A Love Story, Where the Tiny Things Are, Egg, Micrograms, and Quench Your Thirst with Salt. You can find her at facebook.com/nicole.walker.18041, on Twitter @nikwalkotter, and at nikwalk.com.